2x-31=3(x+20)

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Solution for 2x-31=3(x+20) equation: 



2x-31=3(x+20)

We move all terms to the left:

2x-31-(3(x+20))=0



We calculate terms in parentheses: -(3(x+20)), so:

3(x+20)

We multiply parentheses

3x+60

Back to the equation:

-(3x+60)



We get rid of parentheses

2x-3x-60-31=0

We add all the numbers together, and all the variables

-1x-91=0

We move all terms containing x to the left, all other terms to the right

-x=91

x=91/-1

x=-91

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